<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix header-box">
        <span>文章分类</span>
        <el-button type="primary" size="mini" @click="addVisible = true"
          >添加分类</el-button
        >
      </div>
      <!-- 表格区域 -->
      <el-table style="width: 100%" :data="cateList" border stripe>
        <el-table-column label="序号" type="index" width="50"></el-table-column>
        <el-table-column label="分类名称" prop="cate_name"></el-table-column>
        <el-table-column label="分类别名" prop="cate_alias"></el-table-column>
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button type="primary" size="mini" @click="showEditDialog(row)">修改</el-button>
            <el-button type="danger" size="mini" @click="hDel(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 添加分类的对话框 -->
    <el-dialog
      title="添加文章分类"
      :visible.sync="addVisible"
      width="35%"
      :close-on-click-modal="false"
      @closed="$refs.addForm.resetFields()"
    >
      <!-- 添加的表单 -->
      <el-form
        :model="addForm"
        :rules="addRules"
        ref="addForm"
        label-width="70px"
      >
        <el-form-item label="分类名称" prop="cate_name">
          <el-input
            v-model="addForm.cate_name"
            minlength="1"
            maxlength="10"
          ></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input
            v-model="addForm.cate_alias"
            minlength="1"
            maxlength="15"
          ></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="mini" @click="addVisible = false">取消</el-button>
        <el-button size="mini" type="primary" @click="hAdd"
          >确定</el-button
        >
      </span>
    </el-dialog>
    <!-- 修改文章分类的对话框 -->
    <el-dialog title="修改文章分类" :visible.sync="editVisible" width="35%">
     <!-- 修改的表单 -->
      <el-form :model="editForm" :rules="addRules" ref="editForm" label-width="100px">
        <el-form-item label="分类名称" prop="cate_name">
          <el-input v-model="editForm.cate_name"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input v-model="editForm.cate_alias"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="mini" @click="editVisible = false">取 消</el-button>
        <el-button size="mini" type="primary" @click="hEdit">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'ArtCate',
  data() {
    return {
      addVisible: false,
      editVisible: false,
      cateList: [],
      addForm: {
        cate_name: '',
        cate_alias: ''
      },
      editForm: {
        cate_name: '',
        cate_alias: ''
      },
      // 添加表单的验证规则对象
      addRules: {
        cate_name: [
          { required: true, message: '请输入分类名称', trigger: 'blur' },
          {
            pattern: /^\S{1,10}$/,
            message: '分类名必须是1-10位的非空字符',
            trigger: 'blur'
          }
        ],
        cate_alias: [
          { required: true, message: '请输入分类别名', trigger: 'blur' },
          {
            pattern: /^[a-zA-Z0-9]{1,15}$/,
            message: '分类别名必须是1-15位的字母数字',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    this.LoadCateList()
  },
  methods: {
    async LoadCateList() {
      const { data: res } = await this.$axios.get('/my/cate/list')
      this.cateList = res.data
    },
    hAdd() {
      // 兜底验证
      this.$refs.addForm.validate(async valid => {
        if (!valid) return
        // 通过发送请求
        const { data: res } = await this.$axios.post('/my/cate/add', this.addForm)
        // 提示用户
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 隐藏
        this.addVisible = false
        // 重新渲染
        this.LoadCateList()
      })
    },
    showEditDialog(row) {
      if (row.id === 1 || row.id === 2) return this.$message.warning('管理员不允许修改')
      this.editVisible = true
      this.editForm = { ...row }
    },
    hEdit() {
      // 兜底验证
      this.$refs.editForm.validate(async valid => {
        if (!valid) return
        // 通过发送请求
        const { data: res } = await this.$axios.put('/my/cate/info', this.editForm)
        // 提示用户
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 隐藏
        this.editVisible = false
        // 重新渲染
        this.LoadCateList()
      })
    },
    hDel(id) {
      if (id === 1 || id === 2) return this.$message.warning('不允许删除该数据')
      this.$confirm('确定要删除吗？', '提示', {
        type: 'warning'
      }).then(async() => {
        const { data: res } = await this.$axios.delete('/my/cate/del', { params: { id } })
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.editVisible = false
        this.LoadCateList()
      }).catch(() => {})
    }

  }
}
</script>

<style lang="less" scoped>
.header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
